// JavaScript Document
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.resources){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function addToCart(newLink, subtot, personalise, artno)
{
  var check = true;
  if ( personalise == "1") {
	  if (personalise.value == "")
	    check = confirm("This item may be personalised - are you sure you do NOT wish to enter some text?");
  }
  if (check) {
	form = 'document.'+artno;
	eval(form).MM_action.value = "CART_ADD";
	eval(form).submit();
  }
}

function getPage(i)
{
	document.paginate.page_number.value = i;
	document.paginate.submit();
}

function updateSubTot(form, artNo, uCost, type, code, showcart, n, hasoptions)
{
	// Update the Sub Total field and Product Option References string.
	num = parseInt(form.quantity.options[form.quantity.options.selectedIndex].text);
	var subtot = 0;
	var optstring = "";
	if (hasoptions) {
		for(i=1; i <= n; i++) {
			x = 'form.optionsTotal'+i;
			subtot += Math.round(eval(x).value);
			subtot = Math.round(subtot);
			d = 'form.optionRefs'+i;
			optstring += eval(d).value;
		}
	}
	subtot = num*((subtot/100)+(Math.round(uCost*100)/100));
	form.subTotal.value = Math.round(subtot*100)/100;
	l = form.subTotal.value.indexOf('.');
	if ( l < 0 ) {
		form.subTotal.value += ".00";	
	} else if (form.subTotal.value.length - l < 3) {
		form.subTotal.value += "0";
	}
	
	// Create the link to the Cart page.
	qty = form.quantity.options[form.quantity.options.selectedIndex].text;
	addLink='../tpt/TPTcart.php?action=add_item&id='+artNo+'&qty='+qty+'&type='+type+'&code='+code+'&o='+optstring+'&r=n&p='+artNo; 
	form.newlink.value = addLink;
}

function buildOptionsList(form, i, j, type) {
	var string = "";
	a = 'form.optionRefs'+i;
	eval(a).value = "";
	for(k=1; k <= j; k++) {
		if (type == 1) { 
			b = 'form.option'+i+'_'+k;
		} else {
			b = 'form.option'+i+'['+eval(k-1)+']';		
		}
		c = 'form.ref'+i+'_'+k;
		string = eval(c).value;
		if(eval(b).checked) {
			eval(a).value += string;
		}
	}
}

function changeRows(i) {
	document.selectRange.rowsperpage.value=i;
	document.selectRange.submit();
}

function calcSubTot(form, n, priceeach) {
	//alert("num="+num+", priceeach="+priceeach+", subtot="+subtot);
	var subtot = 0;
	var n = 'form.quantity';
	var num =  parseInt(eval(n).options[eval(n).selectedIndex].text);
	var target = 'form.subTotal';
	var a = eval(n).options[eval(n).selectedIndex].text;
	for(i=1; i <= n; i++) {
		x = 'form.optionsTotal'+i;
		subtot += Math.round(eval(x).value);
	}
	subtot = num*(Math.round(subtot+priceeach));
	eval(target).value = subtot/100;
}

function clearText(thefield){
if (thefield.defaultValue==thefield.value)
thefield.value = ""
}

function newWindow(newLink, winName, h, w)
{
  var left = (screen.width/2) - w/2;
  var top = (screen.height/2) - h/2;
  var styleStr = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width='+w+',height='+h+',left='+left+',top='+top+',screenX='+left+',screenY='+top;
  window.open(newLink, winName, styleStr);
}

function ConfirmChoice()
{
	if(confirm("Do you really want to exit the shop and return to our main website?")) 
		window.location = "http://<?php echo $customerHomepage; ?>";
}